<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>致筑网 - 工程建设数字化平台</title>
    <!-- 引入Bootstrap样式（与登录页保持一致） -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <!-- 引入Font Awesome图标（行业图标复用） -->
    <link href="https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css" rel="stylesheet">
    <style>
        /* 页面基础样式：继承登录页的工程背景与遮罩逻辑 */
        body {
            background-image: url('https://picsum.photos/id/1067/1920/1080'); /* 工程类背景图，与登录页呼应 */
            background-size: cover;
            background-position: center;
            background-color: #f0f2f5;
            min-height: 100vh;
            display: flex;
            flex-direction: column; /* 垂直布局，让页脚在底部 */
            justify-content: space-between;
            padding: 0;
            position: relative;
        }

        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.85); /* 半透明白色遮罩，确保文字可读 */
            z-index: -1;
        }

        /* 导航栏：与登录页头部风格统一，突出品牌 */
        .navbar {
            background-color: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            padding: 0.8rem 2rem;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            font-size: 1.5rem;
            font-weight: 600;
            color: #1e5ba8; /* 工程蓝，与登录页主色一致 */
        }

        .navbar-brand i {
            font-size: 1.8rem;
            margin-right: 0.5rem;
        }

        .nav-link {
            color: #444;
            font-weight: 500;
            margin-left: 1.5rem;
            transition: color 0.3s ease;
        }

        .nav-link:hover {
            color: #1e5ba8; /* hover时变工程蓝 */
        }

        /* 主按钮样式：复用登录页的按钮风格 */
        .btn-primary-custom {
            background-color: #1e5ba8;
            border-color: #1e5ba8;
            padding: 0.8rem 2rem;
            font-size: 1.1rem;
            font-weight: 500;
            border-radius: 6px;
            transition: all 0.3s ease;
        }

        .btn-primary-custom:hover {
            background-color: #184a8c;
            border-color: #184a8c;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(30, 91, 168, 0.2);
        }

        /* 核心价值区：突出平台定位与商店入口 */
        .hero-section {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 5rem 2rem;
            text-align: center;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: #2c3e50; /* 深灰，专业稳重 */
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: #666;
            max-width: 700px;
            margin-bottom: 3rem;
        }

        /* 功能卡片区：展示核心业务，与登录页元素风格统一 */
        .features-section {
            background-color: #fff;
            padding: 3.5rem 2rem;
            box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
        }

        .features-title {
            font-size: 1.8rem;
            font-weight: 600;
            color: #2c3e50;
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .feature-card {
            text-align: center;
            padding: 2rem;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            background-color: #f8f9fa;
            transform: translateY(-5px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
        }

        .feature-card i {
            font-size: 2.5rem;
            color: #1e5ba8; /* 工程蓝图标 */
            margin-bottom: 1rem;
        }

        .feature-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 0.5rem;
        }

        .feature-desc {
            color: #666;
            font-size: 0.95rem;
        }

        /* 页脚：简洁专业，与登录页底部风格统一 */
        .footer {
            background-color: #f8f9fa;
            padding: 1.5rem 2rem;
            text-align: center;
            color: #666;
            font-size: 0.9rem;
            border-top: 1px solid #eee;
        }

        .footer a {
            color: #1e5ba8;
            text-decoration: none;
        }

        .footer a:hover {
            text-decoration: underline;
        }

        /* 响应式调整：适配手机屏幕 */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .feature-card {
                margin-bottom: 1.5rem;
            }
        }
    </style>
</head>
<body>
<!-- 导航栏：品牌+导航（已移除登录系统按钮） -->
<nav class="navbar navbar-expand-lg">
    <div class="container-fluid">
        <a class="navbar-brand" href="#">
            <i class="fa fa-building-o" aria-hidden="true"></i> <!-- 建筑图标，与登录页呼应 -->
            致筑网
        </a>
        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse justify-content-end" id="navbarNav">
            <ul class="navbar-nav">
                <li class="nav-item">
                    <a class="nav-link active" href="#">首页</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">产品服务</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">解决方案</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">关于我们</a>
                </li>
                <!-- 已移除"登录系统"按钮 -->
            </ul>
        </div>
    </div>
</nav>

<!-- 核心价值区：平台定位+商店入口（点击直接跳转登录页） -->
<section class="hero-section">
    <h1 class="hero-title">致筑网产品应用商店</h1>
    <p class="hero-subtitle">专注于地址勘测、隧道工程、建筑设备（全站仪/水平仪）等领域的数字化工具与服务平台</p>
    <!-- 进入应用商店按钮：点击直接跳转登录页 -->
    <a href="/temp/login" class="btn btn-primary-custom">进入应用商店</a>
</section>

<!-- 功能卡片区：展示核心业务 -->
<section class="features-section">
    <h2 class="features-title">平台核心服务</h2>
    <div class="container">
        <div class="row">
            <div class="col-md-4">
                <div class="feature-card">
                    <i class="fa fa-map-o" aria-hidden="true"></i> <!-- 勘测图标 -->
                    <h3 class="feature-title">地址勘测数字化</h3>
                    <p class="feature-desc">整合全站仪、水平仪等设备数据，实现勘测流程数字化管理与精度分析</p>
                </div>
            </div>
            <div class="col-md-4">
                <div class="feature-card">
                    <i class="fa fa-road" aria-hidden="true"></i> <!-- 隧道图标 -->
                    <h3 class="feature-title">隧道工程管理</h3>
                    <p class="feature-desc">提供隧道施工全流程监控、进度管理与安全预警，保障工程质量与效率</p>
                </div>
            </div>
            <div class="col-md-4">
                <div class="feature-card">
                    <i class="fa fa-cogs" aria-hidden="true"></i> <!-- 设备图标 -->
                    <h3 class="feature-title">建筑设备互联</h3>
                    <p class="feature-desc">支持工程设备远程监控与数据互联，优化设备调度与使用效率</p>
                </div>
            </div>
        </div>
    </div>
</section>

<!-- 页脚：版权与链接 -->
<footer class="footer">
    <p>© 2024 致筑网 版权所有 | <a href="#">隐私政策</a> | <a href="#">服务条款</a></p>
</footer>

<!-- 引入Bootstrap JS（支持导航栏折叠等交互） -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
